Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1254

June 7, 200315 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2003, 11:22 PM CDT for 15 counties in Texas. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Jun 7, 2003, 11:22 PM CDT (04:22 UTC)
Expired: Jun 8, 2003, 1:15 AM CDT
In force: 113 min
Issued by: the Storm Prediction Center

Counties Coke County, TX, Coleman County, TX, Concho County, TX, Glasscock County, TX, Howard County, TX, Martin County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Runnels County, TX, Sterling County, TX, Taylor County, TX, Tom Green County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 4.4 hours before the alert went out and 128 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 585 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 3200 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 7:00 PM CDT	Severe Thunderstorm Watch	SPC	Baylor, Borden, Callahan, Coke, Coleman, Concho and 23 more	6 hr
Jun 7, 9:35 PM CDT	Mesoscale Discussion	SPC	Brown, Coke, Coleman, Concho, Irion, McCulloch and 8 more	115 min
Jun 8, 12:51 AM CDT	Mesoscale Discussion	SPC	Andrews, Archer, Baylor, Borden, Bosque, Brown and 62 more	54 min
Jun 8, 10:21 AM CDT	Mesoscale Discussion	SPC	Bandera, Bastrop, Bell, Blanco, Brazos, Burleson and 21 more	114 min
Jun 8, 5:38 PM CDT	Mesoscale Discussion	SPC	Brewster, Jeff Davis, Pecos, Presidio, Terrell	3 hr
Jun 8, 6:25 PM CDT	Severe Thunderstorm Watch	SPC	Brewster, Culberson, Jeff Davis, Pecos, Presidio, Reeves and 1 more	6 hr

Nearby

Mesoscale Discussions in Texas, 2003 Every mesoscale discussion in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.